Finding the Fourth Proportional to 125,585.70, 173,309.40 and 68,997.12
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Solution
The fourth proportional to 125,585.70, 173,309.40 and 68,997.12 is: 95,216.65
Step by Step Solution
- Step 1: Write the proportion equation
125,585.70 : 173,309.40 = 68,997.12 : x - Step 2: Convert to fraction form
125,585.70/173,309.40 = 68,997.12/x - Step 3: Cross multiply
125,585.70x = 173,309.40 × 68,997.12 - Step 4: Simplify right side
125,585.70x = 11,957,849,468.93 - Step 5: Solve for x
x = 11,957,849,468.93/125,585.70 - Step 6: Final answer
x = 95,216.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.